Definition of glitch in the Definitions.net dictionary. Meaning of glitch . What does glitch mean ? Information and translations of glitch in the most comprehensive dictionary definitions resource on the web. a small problem or fault that stops something working successfully. A few technical glitches forced us to postpone the demonstration. It was only a temporary glitch but it could have put people’s lives in danger. The new system has too many bugs and glitches to be trusted. The meaning of GLITCH is a usually minor malfunction; also : bug. How to use glitch in a sentence. Did you know? glitch Definition , Meaning & SynonymsThe software had a glitch that caused it to crash unexpectedly. She noticed a glitch in the video game that made her character move sideways. During the presentation, there was a glitch in the projector that disrupted the display.